<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    
    <!-- 轮播图数据 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true" indicator-color="yellow" indicator-active-color="black">
      <swiper-item v-for="(item,i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id={{item.goods_id}}'">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航数据 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandle(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层数据区域 -->
    <!-- 楼层的容器 -->
    <view class="floor-list">
      <!-- 楼层的每一个item项 -->
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的内容图片 -->
        <view class="floor-img-box">
          <!-- 左边大图片 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右边四个小图片 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
              <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
    
    
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  
  export default {
    mixins:[badgeMix],
    data() {
      return {
        // 轮播图
        swiperList:[],
        // 分类导航
        navList:[],
        // 楼层数据
        floorList:[]
      };
    },
    onLoad(){
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
      // 获取轮播图
      async getSwiperList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/swiperdata')
        // 请求失败
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.swiperList = res.message
        uni.$showMsg('数据加载成功！')
      },
      // 获取分类导航
      async getNavList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/catitems')
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.navList = res.message
      },
      // 点击分类导航跳转
      navClickHandle(item){
        if(item.name === '分类'){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      // 获取楼层数据
      async getFloorList(){
        const {data: res} = await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status !== 200) return uni.$showMsg()
        // 对数据进行处理
        res.message.forEach(floor => {
          floor.product_list.forEach(prod => {
            prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
          })
        })
        
        this.floorList = res.message
      },
      
      gotoSearch(){
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
      
    }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,
  image{
    height: 100%;
    width: 100%;
  }
}

.nav-list{
  display: flex;
  margin: 15px 0;
  justify-content: space-around;
  
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}

.floor-title{
  width: 100%;
  height: 60rpx;
  display: flex;
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}

.search-box{
  // 吸顶
  position: sticky;
  // 位置
  top: 0;
  // 层级
  z-index: 999;
}
</style>
